function out=fitLorentzian2peak(Param,x)
bkg=Param(1);
A1=Param(2);
W1=Param(3);
X1=Param(4);
A2=Param(5);
W2=Param(6);
X2=Param(7);
out=bkg+A1./(1+((x-X1)/W1).^2)+A2./(1+((x-X2)/W2).^2);
